stored 1 gallon per person per day that you are out of water. we recommend that you have at least 3-5 days for each person and also keep in consideration storage needs for your pets and think about the size of your pets and how much water they consume. >> the storage which is using tap water which you are going to encourage. >> right. of course at the puc we recommend that you store our wonderful delicious tap water. it's free. it comes out of the tap and you can store it in any plastic container, a clean plastic container for up to 6 months. so find a container, fill it with water and label it and rotate it out. i use it to water my garden. >> of course everyone has plastic bottles which we are not really promoting but it is a common way to store it. >> yes. it's an easy way to pick up bottles to store it. just make sure you check the label. this one says june 2013.